TA-1047: System Shutdown and Reboot in Power Supply Redundancy Mode for the Intel® Server System P4000IP4 and Intel® Workstation System P4000CR2
Technical Advisory TA 1047 (PDF) 
This advisory describes system issue with shutdown and restart while in power supply redundancy mode. The issue occurs when inserting or removing power supply units, or when system encounters unexpected failure of power supply unit. Lab testing of AC cycling shows that the failure is intermittent, and the failure rate is less than 1%.
File name: TA10471.pdf
Size: 123 KB
Date: January 2014
Revision: 1.0
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